1040404132 has 6 divisors (see below), whose sum is σ = 1820707238. Its totient is φ = 520202064.

The previous prime is 1040404129. The next prime is 1040404139. The reversal of 1040404132 is 2314040401.

It can be written as a sum of positive squares in only one way, i.e., 791521956 + 248882176 = 28134^2 + 15776^2 .

It is not an unprimeable number, because it can be changed into a prime (1040404139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130050513 + ... + 130050520.

Almost surely, 2^1040404132 is an apocalyptic number.

It is an amenable number.

1040404132 is a deficient number, since it is larger than the sum of its proper divisors (780303106).

1040404132 is a wasteful number, since it uses less digits than its factorization.

1040404132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260101037 (or 260101035 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1040404132 is about 32255.2961852779. The cubic root of 1040404132 is about 1013.2906208432.

Adding to 1040404132 its reverse (2314040401), we get a palindrome (3354444533).

The spelling of 1040404132 in words is "one billion, forty million, four hundred four thousand, one hundred thirty-two".